Home / 54,350.88-74,969.68-39,265.68

Finding the Fourth Proportional to 54,350.88, 74,969.68 and 39,265.68

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Solution

The fourth proportional to 54,350.88, 74,969.68 and 39,265.68 is: 54,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,350.88 : 74,969.68 = 39,265.68 : x
  2. Step 2: Convert to fraction form
    54,350.88/74,969.68 = 39,265.68/x
  3. Step 3: Cross multiply
    54,350.88x = 74,969.68 × 39,265.68
  4. Step 4: Simplify right side
    54,350.88x = 2,943,735,464.58
  5. Step 5: Solve for x
    x = 2,943,735,464.58/54,350.88
  6. Step 6: Final answer
    x = 54,161.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.